function CSingleStates=addstuff(CSingleStates, inFRET, nfrom, nto)
if length(nto)==1
CSingleStates(1,nto).bg=inFRET(1,nfrom).bg ;
CSingleStates(1,nto).cross=inFRET(1,nfrom).cross;
CSingleStates(1,nto).gamma2=inFRET(1,nfrom).psG2;
else
    for i=1:length(nto)
        CSingleStates(nto(i)).bg=inFRET(1,nfrom).bg ;
CSingleStates(1,nto(i)).cross=inFRET(1,nfrom).cross;
CSingleStates(1,nto(i)).gamma2=inFRET(1,nfrom).psG2;
    end
end